ZHENGZHOU, April 22 (Xinhua) -- Two new boom-type roadheaders rolled off the production line in Xinxiang in China's Henan Province on Wednesday.
The machines, developed by China Railway Engineering Equipment Group, are to be exported to South Korea for a tunneling project.
The roadheaders are 21 meters long, 4.1 meters wide and 5.1 meters high.
It's believed to be one of the largest of its kind in China in terms of the cross-section of tunneling.
Produced by Xinhua Global Service
